Smart card interface



FIG. 1 is a perspective view of a smart card interface;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The broken lines and unshaded surfaces contained within broken lines depict portions of the smart card interface that form no part of the claimed design but are shown for illustrative purposes. 

CLAIM The ornamental design for a smart card interface, as shown and described. 